diff options
Diffstat (limited to 'policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/NoopTopicSink.java')
-rw-r--r-- | policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/NoopTopicSink.java | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/NoopTopicSink.java b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/NoopTopicSink.java new file mode 100644 index 00000000..e9d503e2 --- /dev/null +++ b/policy-endpoints/src/main/java/org/openecomp/policy/drools/event/comm/bus/NoopTopicSink.java @@ -0,0 +1,126 @@ +/*- + * ============LICENSE_START======================================================= + * policy-endpoints + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ +package org.openecomp.policy.drools.event.comm.bus; + +import java.util.List; + +import org.openecomp.policy.drools.event.comm.TopicSink; +import org.openecomp.policy.drools.event.comm.bus.internal.TopicBase; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * NOOP topic sink + */ +public class NoopTopicSink extends TopicBase implements TopicSink { + + /** + * factory + */ + public static final NoopTopicSinkFactory factory = new IndexedNoopTopicSinkFactory(); + + /** + * logger + */ + private static Logger logger = LoggerFactory.getLogger(NoopTopicSink.class); + + /** + * net logger + */ + private static final Logger netLogger = LoggerFactory.getLogger(NETWORK_LOGGER); + + /** + * constructor + * @param servers servers + * @param topic topic + * @throws IllegalArgumentException if an invalid argument has been passed in + */ + public NoopTopicSink(List<String> servers, String topic) throws IllegalArgumentException { + super(servers, topic); + } + + @Override + public boolean send(String message) throws IllegalArgumentException, IllegalStateException { + + if (message == null || message.isEmpty()) + throw new IllegalArgumentException("Message to send is empty"); + + if (!this.alive) + throw new IllegalStateException(this + " is stopped"); + + try { + synchronized (this) { + this.recentEvents.add(message); + } + + netLogger.info("[OUT|{}|{}]{}{}", this.getTopicCommInfrastructure(), + this.topic, System.lineSeparator(), message); + + broadcast(message); + } catch (Exception e) { + logger.warn("{}: cannot send because of {}", this, e.getMessage(), e); + return false; + } + + return true; + } + + @Override + public CommInfrastructure getTopicCommInfrastructure() { + return CommInfrastructure.NOOP; + } + + @Override + public boolean start() throws IllegalStateException { + logger.info("{}: starting", this); + + synchronized(this) { + + if (this.alive) + return true; + + if (locked) + throw new IllegalStateException(this + " is locked."); + + this.alive = true; + } + + return true; + } + + @Override + public boolean stop() throws IllegalStateException { + synchronized(this) { + this.alive = false; + } + return true; + } + + @Override + public void shutdown() throws IllegalStateException { + this.stop(); + } + + @Override + public String toString() { + return "NoopTopicSink [toString()=" + super.toString() + "]"; + } + +} |